Question: What started in 1923-11-3 in Yekaterinburg?
Paraphrase: Name the event that begun on 3.11.1923 in Yekaterinburg.
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q887 p:P31 ?s . ?s ps:P31 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1923')) }